Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Gregory Trent Walker Jr., MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1801250659

Gregory Trent Walker Jr., MD is an Orthopedic Surgery in Tucson, Arizona. Qualified in 2016, 10 years ago. Practices with Tucson Physician Group Holdings LLC, a 199-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
10
Licensed in
AZ
In the registry since
2016
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6130 N La Cholla Blvd Ste 135A
Tucson, AZ 85741-3557
Phone: (520) 881-1394
Fax: (520) 882-7464
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Foot and Ankle Surgery Physician (primary) Taxonomy 207XX0004X · Licence 85758 (AZ)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1801250659
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 7, 2016
Last updated in NPPESNovember 28, 2022
Certification dateNovember 28, 2022

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Tucson Physician Group Holdings Llc — 199 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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